Pete Savage talks about getting started developing GUI applications on Linux using Python, GTK and Glade. This is a beginner level talk.
See http://www.hantslug.org.uk/cgi-bin/wiki.pl?TechTalks for more details and copies of the presentation that accompanied the talk. This talk was given at the Hampshire Linux User Group (HantsLUG) meeting on 2nd December 2006 at Southampton University, UK.
There is an OGG Theora / Vorbis version available. The archive.org site doesn't seem to recognise Theora files at the moment. Get it here: